I have this same problem, and I fix with this configuration, in Debian
GNU/Linux Jessie (8.x):

# sed -i 's/net.ipv6.bindv6only\ =\ 1/net.ipv6.bindv6only\ =\ 0/' \
/etc/sysctl.d/bindv6only.conf && sudo invoke-rc.d procps restart

This problem I saw too with this exception in other java applications:
* java.net.NoRouteToHostException: Network is unreachable

Of course, this configuration disable IPv6.

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